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Finding the Fourth Proportional to 453,043.97, 679,569.98 and 137,500.82

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Solution

The fourth proportional to 453,043.97, 679,569.98 and 137,500.82 is: 206,252.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,043.97 : 679,569.98 = 137,500.82 : x
  2. Step 2: Convert to fraction form
    453,043.97/679,569.98 = 137,500.82/x
  3. Step 3: Cross multiply
    453,043.97x = 679,569.98 × 137,500.82
  4. Step 4: Simplify right side
    453,043.97x = 93,441,425,412.03
  5. Step 5: Solve for x
    x = 93,441,425,412.03/453,043.97
  6. Step 6: Final answer
    x = 206,252.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.